over years of research, scientists discovered that cgrp helps transmit pain signals in the brain. .
loder, who hasn't been involved with any cgrp drug studies, cautions that these medicines don't work for everybody. and they may be risky for some people. .
following close on aimovig's heels are three other drugs that target cgrp: fremanezumab, galcanezumab, and eptinezumab (which is given by iv). . .
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